INFO: task hung in ath6kl_usb_power

INFO: task hung in ath6kl_usb_power_off
Status: upstream: reported on 2020/07/06 15:22
Reported-by: syzbot+2d6ac90723742279e101@syzkaller.appspotmail.com
First crash: 630d, last: 4d13h

Sample crash report:

INFO: task kworker/1:0:20 blocked for more than 143 seconds.
      Not tainted 5.12.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:24928 pid:   20 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0x911/0x21b0 kernel/sched/core.c:5073
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 schedule_timeout+0x1db/0x250 kernel/time/timer.c:1868
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x168/0x270 kernel/sched/completion.c:138
 flush_workqueue+0x3ff/0x13e0 kernel/workqueue.c:2838
 flush_scheduled_work include/linux/workqueue.h:597 [inline]
 ath6kl_usb_flush_all drivers/net/wireless/ath/ath6kl/usb.c:476 [inline]
 hif_detach_htc drivers/net/wireless/ath/ath6kl/usb.c:856 [inline]
 ath6kl_usb_power_off+0xdc/0x140 drivers/net/wireless/ath/ath6kl/usb.c:1055
 ath6kl_hif_power_off drivers/net/wireless/ath/ath6kl/hif-ops.h:143 [inline]
 ath6kl_core_init drivers/net/wireless/ath/ath6kl/core.c:257 [inline]
 ath6kl_core_init+0x236/0x11c0 drivers/net/wireless/ath/ath6kl/core.c:66
 ath6kl_usb_probe+0xc3c/0x11f0 drivers/net/wireless/ath/ath6kl/usb.c:1155
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 really_probe+0x291/0xe60 drivers/base/dd.c:559
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:745
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:851
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:919
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3242
 usb_set_configuration+0x113a/0x1910 drivers/usb/core/message.c:2164
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
 really_probe+0x291/0xe60 drivers/base/dd.c:559
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:745
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:851
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:919
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3242
 usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2555
 hub_port_connect drivers/usb/core/hub.c:5223 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2357/0x4320 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/0:9:9695 blocked for more than 145 seconds.
      Not tainted 5.12.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:9     state:D stack:25000 pid: 9695 ppid:     2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0x911/0x21b0 kernel/sched/core.c:5073
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5211
 __mutex_lock_common kernel/locking/mutex.c:1026 [inline]
 __mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096
 device_lock include/linux/device.h:740 [inline]
 ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1129 [inline]
 ath9k_hif_usb_firmware_cb+0x3ac/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1262
 request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1079
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/1:2:32001 blocked for more than 146 seconds.
      Not tainted 5.12.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:25192 pid:32001 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0x911/0x21b0 kernel/sched/core.c:5073
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 schedule_timeout+0x1db/0x250 kernel/time/timer.c:1868
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x168/0x270 kernel/sched/completion.c:138
 flush_workqueue+0x3ff/0x13e0 kernel/workqueue.c:2838
 flush_scheduled_work include/linux/workqueue.h:597 [inline]
 ath6kl_usb_flush_all drivers/net/wireless/ath/ath6kl/usb.c:476 [inline]
 hif_detach_htc drivers/net/wireless/ath/ath6kl/usb.c:856 [inline]
 ath6kl_usb_power_off+0xdc/0x140 drivers/net/wireless/ath/ath6kl/usb.c:1055
 ath6kl_hif_power_off drivers/net/wireless/ath/ath6kl/hif-ops.h:143 [inline]
 ath6kl_core_init drivers/net/wireless/ath/ath6kl/core.c:257 [inline]
 ath6kl_core_init+0x236/0x11c0 drivers/net/wireless/ath/ath6kl/core.c:66
 ath6kl_usb_probe+0xc3c/0x11f0 drivers/net/wireless/ath/ath6kl/usb.c:1155
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 really_probe+0x291/0xe60 drivers/base/dd.c:559
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:745
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:851
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:919
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3242
 usb_set_configuration+0x113a/0x1910 drivers/usb/core/message.c:2164
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
 really_probe+0x291/0xe60 drivers/base/dd.c:559
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:745
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:851
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:919
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3242
 usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2555
 hub_port_connect drivers/usb/core/hub.c:5223 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2357/0x4320 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Showing all locks held in the system:
5 locks held by kworker/1:0/20:
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90000dbfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffff88801d64c218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #2: ffff88801d64c218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: ffff888036585218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #3: ffff888036585218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:894
 #4: ffff8880224fa1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #4: ffff8880224fa1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:894
1 lock held by khungtaskd/1617:
 #0: ffffffff8bf718a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6328
1 lock held by in:imklog/8083:
 #0: ffff888022a12870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974
2 locks held by kworker/u4:5/9014:
 #0: ffff8880b9d35258 (&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1321 [inline]
 #0: ffff8880b9d35258 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x21c/0x21b0 kernel/sched/core.c:4990
 #1: ffff8880b9d1f948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x305/0x440 kernel/sched/psi.c:833
5 locks held by kworker/1:3/9609:
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90015e07da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffff88801d2ff218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #2: ffff88801d2ff218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: ffff8880120ae218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #3: ffff8880120ae218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:894
 #4: ffff88801f9011a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #4: ffff88801f9011a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:894
3 locks held by kworker/1:4/9667:
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90015e67da8 (fqdir_free_work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffffffff8bf7a370 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x44/0x420 kernel/rcu/tree.c:3937
3 locks held by kworker/0:9/9695:
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888010863d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90015f97da8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffff888144b3a218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #2: ffff888144b3a218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1129 [inline]
 #2: ffff888144b3a218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3ac/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1262
4 locks held by kworker/u4:7/23017:
5 locks held by kworker/1:2/32001:
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff8881416c8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc9001719fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffff888144b3a218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #2: ffff888144b3a218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: ffff88808481a218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #3: ffff88808481a218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:894
 #4: ffff8880786ab1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #4: ffff8880786ab1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:894
1 lock held by syz-executor.0/15953:

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 1617 Comm: khungtaskd Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline]
 watchdog+0xd48/0xfb0 kernel/hung_task.c:294
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8397 Comm: syz-executor.4 Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__this_cpu_preempt_check+0xd/0x20 lib/smp_processor_id.c:70
Code: 00 00 48 c7 c6 00 8a c1 89 48 c7 c7 40 8a c1 89 e9 98 fe ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 0f 1f 44 00 00 48 89 ee 5d <48> c7 c7 80 8a c1 89 e9 77 fe ff ff cc cc cc cc cc cc cc eb 1e 0f
RSP: 0018:ffffc90001c8f988 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff896b80e0 RDI: ffffffff896b80e0
RBP: ffffffff8bf717e0 R08: 0000000000000000 R09: ffffffff8dc4f5cf
R10: fffffbfff1b89eb9 R11: 0000000000000000 R12: ffff8880721ac1c0
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff8880721acbd8
FS:  0000000001588400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff30000 CR3: 0000000072195000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lockdep_recursion_finish kernel/locking/lockdep.c:437 [inline]
 lock_is_held_type+0xd5/0x140 kernel/locking/lockdep.c:5551
 lock_is_held include/linux/lockdep.h:278 [inline]
 rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x5d3/0x720 kernel/locking/lockdep.c:5522
 do_write_seqcount_end include/linux/seqlock.h:565 [inline]
 psi_group_change+0x392/0x8d0 kernel/sched/psi.c:735
 psi_task_change+0x142/0x220 kernel/sched/psi.c:807
 psi_dequeue kernel/sched/stats.h:108 [inline]
 dequeue_task kernel/sched/core.c:1604 [inline]
 deactivate_task kernel/sched/core.c:1622 [inline]
 __schedule+0x1a5c/0x21b0 kernel/sched/core.c:5030
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 freezable_schedule include/linux/freezer.h:172 [inline]
 do_nanosleep+0x268/0x6a0 kernel/time/hrtimer.c:1896
 hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:1949
 common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1227
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline]
 __se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline]
 __x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x48a621
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f
RSP: 002b:00007ffef4f56d40 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000bed RCX: 000000000048a621
RDX: 00007ffef4f56d80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffef4f56e1c R08: 0000000000000000 R09: 00007ffef4ff3090
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000019
R13: 0000000000176e66 R14: 0000000000000011 R15: 00007ffef4f56e80

Crashes (4665):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci-upstream-kasan-gce-selinux-root	2021/04/22 03:04	upstream	16fc44d6	2bc8999a	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci-upstream-kasan-gce	2021/04/12 11:30	upstream	7d900724	bfeda1b1	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci-upstream-kasan-gce-386	2021/05/17 05:51	upstream	d07f6ca9	f54a5c09	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/06/15 12:25	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	1f28f6f0	8022d7e3	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/06/12 22:52	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	12f73979	1ba81399	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/06/05 17:15	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	87191ca9	500c2339	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/06/04 13:25	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	87191ca9	966a236b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 23:15	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	c560a65d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 22:44	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	c560a65d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 21:16	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	c560a65d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 20:13	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	c560a65d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 19:07	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	c560a65d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 18:01	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	c560a65d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 16:36	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	c560a65d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 13:15	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	c560a65d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 11:08	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 10:08	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 07:35	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 05:33	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 02:10	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 00:46	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/20 00:22	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 23:10	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 21:59	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 17:36	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 15:39	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 12:50	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 11:21	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 10:00	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 08:42	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 06:14	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 05:07	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/19 02:18	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 23:56	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 22:50	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 21:16	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 19:57	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 17:06	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 15:54	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 10:48	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 09:20	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 06:39	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 05:25	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 04:06	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 02:41	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/18 01:21	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/17 21:27	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a343ba6b	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/17 17:29	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a2eb125d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/05/17 16:08	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c7	a2eb125d	.config	log	report	info	INFO: task hung in ath6kl_usb_power_off
ci2-upstream-usb	2021/01/11 09:08	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	841081d8	2c1f2513	.config	log	report	info
ci2-upstream-usb	2020/07/03 03:09	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	c8d141ce	f30c14bf	.config	log	report
ci2-upstream-usb	2019/09/28 21:58	https://github.com/google/kasan.git usb-fuzzer	2994c077	eb6b9855	.config	log	report